The HZSolar SLWB-80 is a 1300W solar DC self-priming surface water pump designed for high-head agricultural irrigation, forestry, and fish pond management, operating efficiently within a 72–150V DC range to deliver a maximum flow rate of 35 m3/h and a 15-meter head.Key SpecificationsPower Output: 1300WVoltage Range: 72–150V DCMax Flow Rate: 35 m3/hMax Head: 15 metersPipe Diameter: 80 mm (approx. 3 inches)